CVE-2025-65221

Name: CVE-2025-65221
Creator: NVD / NIST
Published: 2025-11-20T15:17:40.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.27%

Last modified Jun 17, 2026

CVE-2025-65221 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the list parameter of /goform/setPptpUserList.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.

Description

Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the list parameter of /goform/setPptpUserList.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Probability

0.27%

18.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-121

Affected Software

Vendor	Product	Versions
Tenda	Ac21 Firmware	16.03.08.16

References

https://github.com/Madgeaaaaa/MY_VULN_2/blob/main/Tenda/VULN2.mdExploit, Third Party Advisory

Timeline

Published: Nov 20, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-65221?

Tenda AC21 V16.03.08.16 is vulnerable to Buffer Overflow via the list parameter of /goform/setPptpUserList.

How severe is CVE-2025-65221?

CVE-2025-65221 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.

How do I fix CVE-2025-65221?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-65221?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST